Comments on logistics of chemoprophylaxis of tuberculosis.
D000293:Adolescent; D002648:Child; D006801:Humans; D007538:Isoniazid / Q000627:therapeutic use*; D009518:New York; D012572:School Health Services; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control*
D007538:Isoniazid